82449 has 6 divisors (see below), whose sum is σ = 119106. Its totient is φ = 54960.

The previous prime is 82421. The next prime is 82457. The reversal of 82449 is 94428.

It can be written as a sum of positive squares in only one way, i.e., 65025 + 17424 = 255^2 + 132^2 .

It is not a de Polignac number, because 82449 - 2⁸ = 82193 is a prime.

It is a d-powerful number, because it can be written as 8 + 2⁹ + 4⁷ + 4⁸ + 9 .

82449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (82469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4572 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (19851).

2⁸²⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

82449 is a deficient number, since it is larger than the sum of its proper divisors (36657).

82449 is a wasteful number, since it uses less digits than its factorization.

82449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167 (or 9164 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 82449 is about 287.1393389976. The cubic root of 82449 is about 43.5239661831.

The spelling of 82449 in words is "eighty-two thousand, four hundred forty-nine".